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 TM9-2320-270-20-2
SPRING BRAKE RELAY AND DOUBLE CHECK VALVE- CONTINUED
ACTION
REMARKS
ITEM
LOCATION
DISASSEMBLY
Secure in vise.
Relay bracket (1)
13.
Using 1 3/8-inch and 1 1/16-inch
Reducing nipple (3)
14. Relay (2)
wrenches, unscrew and take off.
and double check
valve (4)
Using 7/8-inch wrench, unscrew and
Two branch tees (6)
15. Two pipe elbows (5)
take out.
Two pipe elbows (5)
Using pipe wrench, unscrew and take out.
16. Relay (2)
Using 1 1/16-inch and 13/16-inch
Elbow (8)
17. Bushing (7)
wrenches, unscrew and take off.
Using 1 1/16-inch wrench, unscrew and
Bushing (7)
18. Relay (2)
take out.
Plug (9)
Using 3/8-inch wrench, unscrew and take
19. Relay (2)
out.
Plug (10)
Using 1/2-inch drive handle, unscrew and
20.
take out.
a. Using 9/16-inch box wrench, socket,
Two screws (11),
21. Relay (2) to
nuts (12), lock-
and handle, unscrew and take off.
bracket (1)
washers (13), and
b. Get rid of Iockwashers (13).
relay (2)
Take out of vise.
Relay bracket (1)
22.
Double check
Secure in vise.
23.
valve (4)
Two elbows (14)
Using 3/4-inch wrench, unscrew and take
24. Double check
out.
valve (4)
Reducing nipple (3)
Using 11/16-inch wrench, unscrew and
25.
take out.
Take out of vise.
Double check
26.
valve (4)
4-800
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